Parser: Remove now duplicated prepareRescan function

src/MediaLibrary.cpp

@@ -2294,7 +2294,7 @@ bool MediaLibrary::forceRescanLocked()
      * unknown show
      */
     if ( m_parser != nullptr )
-        m_parser->prepareRescan();
+        m_parser->flush();
     {
         auto t = getConn()->newTransaction();
         // Let the triggers clear out the Fts tables

src/parser/Parser.cpp

@@ -112,11 +112,6 @@ void Parser::flush()
     m_opScheduled.store( 0, std::memory_order_release );
 }
 
-void Parser::prepareRescan()
-{
-    flush();
-}
-
 void Parser::rescan()
 {
     for ( auto& s : m_serviceWorkers )

src/parser/Parser.h

@@ -72,12 +72,6 @@ public:
     void resume();
     void stop();
     ///
-    /// \brief prepareRescan Prepares the parser for a forced rescan
-    ///
-    /// This will pause all workers and flush the tasks list.
-    ///
-    void prepareRescan();
-    ///
     /// \brief rescan Launch a rescan of all processed files.
     ///
     /// This will prepare the worker for restart, fetch all uncompleted tasks and